30 years ago, Newsweek published an article on the dangers of global cooling. Before then, it was the "population bomb" which was going to overpopulate the earth by the 1980s.
Promulgating these scares is an effort to attract grant funding and spread a political agenda. It isn't science.
It's well to remember what the great journalist H.L. Mencken said: ""The whole aim of practical politics is to keep the populace alarmed (and hence clamorous to be led to safety) by menacing it with an endless series of hobgoblins, all of them imaginary."
30 years ago we didn't know what dna was. 30 years ago we didn't wear seatbelts. 30 years ago we didn't have computers. 30 years ago we didn't treat cancer. 30 years ago jimmy carter was president for pete's sake. are you really going to compare one article in a magazine to all the study that has gone on in the last 30 years? is it a big conspiracy? i hope so, but.......